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artiq/artiq/frontend/artiq_coreanalyzer.py

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Python
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#!/usr/bin/env python3
import argparse
import sys
from artiq.tools import add_common_args, init_logger
from artiq.master.databases import DeviceDB
from artiq.master.worker_db import DeviceManager
from artiq.coredevice.comm_analyzer import (get_analyzer_dump,
decode_dump, decoded_dump_to_vcd)
def get_argparser():
parser = argparse.ArgumentParser(description="ARTIQ core device "
"RTIO analysis tool")
add_common_args(parser)
parser.add_argument("--device-db", default="device_db.py",
help="device database file (default: '%(default)s')")
parser.add_argument("-r", "--read-dump", type=str, default=None,
help="read raw dump file instead of accessing device")
parser.add_argument("-p", "--print-decoded", default=False,
action="store_true", help="print raw decoded messages")
parser.add_argument("-w", "--write-vcd", type=str, default=None,
help="format and write contents to VCD file")
parser.add_argument("-d", "--write-dump", type=str, default=None,
help="write raw dump file")
parser.add_argument("-u", "--vcd-uniform-interval", action="store_true",
help="emit uniform time intervals between timed VCD "
"events and show RTIO event interval (in SI "
"seconds) and timestamp (in machine units) as "
"separate VCD channels")
return parser
def main():
args = get_argparser().parse_args()
init_logger(args)
if (not args.print_decoded
and args.write_vcd is None and args.write_dump is None):
print("No action selected, use -p, -w and/or -d. See -h for help.")
sys.exit(1)
device_mgr = DeviceManager(DeviceDB(args.device_db))
if args.read_dump:
with open(args.read_dump, "rb") as f:
dump = f.read()
else:
core_addr = device_mgr.get_desc("core")["arguments"]["host"]
dump = get_analyzer_dump(core_addr)
decoded_dump = decode_dump(dump)
if args.print_decoded:
print("Log channel:", decoded_dump.log_channel)
print("DDS one-hot:", decoded_dump.dds_onehot_sel)
for message in decoded_dump.messages:
print(message)
if args.write_vcd:
with open(args.write_vcd, "w") as f:
decoded_dump_to_vcd(f, device_mgr.get_device_db(),
decoded_dump,
uniform_interval=args.vcd_uniform_interval)
if args.write_dump:
with open(args.write_dump, "wb") as f:
f.write(dump)
if __name__ == "__main__":
main()